typedef struct tagLVGROUPMETRICS
{
    UINT cbSize;
    UINT mask;
    UINT Left;
    UINT Top;
    UINT Right;
    UINT Bottom;
    COLORREF crLeft;
    COLORREF crTop;
    COLORREF crRight;
    COLORREF crBottom;
    COLORREF crHeader;
    COLORREF crFooter;
} LVGROUPMETRICS, *PLVGROUPMETRICS;